نتایج جستجو برای: yield reduction

تعداد نتایج: 674328  

A study was carried out over 2 years (2008/2009 and 2009/2010) in Greece, in order to evaluate the weed control using reduced rates of the herbicide mesosulfuron-methyl+iodosulfuron-methyl-sodium of four major weeds (Avena sterilis, Phalaris minor, Papaver rhoeas and Sinapis arvensis), grain yield and yield components of five wheat cultivars (Bob, Cosmodur, Meridiano, Quadrato and Simeto). The ...

Journal: :پژوهش های زراعی ایران 0
مانی مجدم عادل مدحج

in order to study the effects of drought stress and nitrogen (n) levels on grain yield, yield components and water use efficiency of grain corn (sc.704), a field experiment was conducted in 2009 growing season. the experiment was split-plot based on randomized complete block design arrangement and four replicates. main plots were three irrigation levels included optimum irrigation (i1), moderat...

2015

This study was conducted Razakı grape variety (Vitis vinifera L.) and its vine which was aged 19 was grown on 5 BB rootstock in a vegetation period of 2014 in Afyon province in Turkey. In this research, it was investigated whether the applications of Control (C), 1/3 Cluster Tip Reduction (1/3 CTR), Shoot Tip Reduction (STR), 1/3 CTR + STR, Boric Acid (BA), 1/3 CTR + BA, STR + BA, 1/3 CTR + STR...

محمدی, سمانه, کاظمینی, سید عبدالرضا, حمیدی, رضا ,

In order to evaluate the effect of water deficit at different growth stages on yield and yield components of two cultivars of safflower, a study was conducted during 2009 and 2010 growing seasons at Research Farm of College of Agriculture, Shiraz University, Shiraz, Iran. The treatments were cultivar at two levels (Sina and Local Isfahan) as the main factor, irrigation regime at four levels (40...

Journal: :علوم گیاهان زراعی ایران 0
بهروز مؤذن قمصری غلام عباس اکبری محمد جلال ظهوریان امیر بردیا نیک نیائی

water deficit is one of the most important problems facing crop production in arid and semiarid regions in iran. application of super absorbent polymers may somehow control yield reduction in some crop plants under drought stress conditions. in this investigation, the effect of different levels of super absorbent polymer, superab a200 (0, 100, 200, 300 kg/h), and three irrigation intervals (7, ...

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